Window stop



June 4,1929. QBURH N 1,715.590

WINDOW STOP Filed Feb: 18, 1928 [NVENTOR ATTORNEY cam; nunnin vn, or 'mcmvronn HILL, new Yong;

Patented June 4, 1929.

winnow'scror.- r i This invention relates-to window stops and in particular toone of an adjustablenature. A particular object of my; invention is to providea windowstop which may be adjusted to permitathe ,windowato be opened fully ormay be moved to a position to limit the opening movement of either theupper or lower sash..

A still further obj eetof my invention is to provide an adjustable window stop which may be attached to the upper sash and which has a portion thereof arranged to overlie the lower. sash when the sameisreleased, there being provided inconnection therewith a-movablei catch member which is arranged toretain the movable portionof the stop out of way of the lower sash when it is desired to tully open either'the lower or upper sash.

-A still further object of the invention is to provide a -simplified;construction in adjustable window stops which will prevent an intruder from operating the same from outside the window with a stick in order to open the window to gain admission to the room.

In devices of this nature, the construction has permitted an intruder to operate the same with a stick so that they will automatically remain closed when once closed and consequently permit the sashes to be moved relatively to each other so that admission can be gained through the window. In my in vention, I have provided a pivotal catch member and two operations are necessary in c1os ing the stop so that unlimited movement of the sashes relatively to each other can be accomplished.

To enable others skilled in the art to fully comprehend the underlying features of my invention that they may embody the same in the various modifications in structure and relation contemplated, a drawing depicting a preferred form has been annexed as a part of this disclosure and in such drawings, similar reference characters denote corres mnding parts throughout all the views, of which,

Figure 1 is a view in perspective showing the arrangement of my improved window stop used in connection with an upper sash the movable part of the stop being arranged to overlie the lower sash to limit the relative movement of both sashes, and

Figure 2 is a top plan view of the window stop showing how the same is arranged in connection with the upper sash and when closed, is compact enough to permit the lower sash to be passed thereovr thus allowing Application-filed February 18-, 1928. Serial No. 255,359.-.-'-

free relative movement otthe lowersashes Referring tothe drawings, in detail; 5- indicates a base plate provided at one edge with the ears 7, the same being formed in spaced relation and being arranged to receive the hinge pin 8 which also passes through tlie ears 9 formed on one edgeiof a looking wing member ,10. The ,wing, member? or latching plate 10 isarranged for pivotal-movement relatively to the plate 5 and being normally Y positioned at right angles thereto through'the medium of the coil spring 11 whose end 12 passes under a suitable-punched? out section of material 13 in the latchingplate 10,2Whil the opposite end of the spring il thpasses through a similar punched out-portion ;l5,-in the base .plate 5 The baseiplategisisecured/to the upper sash l7-tl1rougl1 ;the. medium.- Ofthe screw. 16 and is firmlygheld imposition enthe; upper sash at a distance above the upper end of the lower sash to prevent intrusion of an individual beneath the lower sash when the same has been raised against the lower inturned edge 18 of the latching plate 10. This inturned edge 18 provides a bearing foot against which the lower sash strikes and is limited in its upward movement.

The temper of the spring 11 which is positioned about the hinge pin 8 intermediate the cars 7 formed on the base plate 5, is such that the latching plate or wing 10 is retained at substantially right angles to the base plate 5 and in position to effectively prevent the lower sash from being moved relatively to the up per sash except within the limits permitted for ventilation.

In order that the wing or latching plate 10 may be moved to position and retained to permit normal operation of the upper and lower sashes relatively to each other, I have pivoted as at 19 adjacent the upper edge of the base plate 5, the catch 20 which is provided with an extended portion 21 and an oi erturned part 22. This overturned part 22 is arranged to encompass the upper edge of the latching plate 10 when the same is forced closed against the action of the spring 11 for position adjacent the base plate 5.

It is quite evident that an intruder manipulating with a stick from the exterior of the window could not possibly close the latching plate 10 and then throw the catch 20 down to )osition to retain the same in its closed positinn because the moment the plate 10 was refreased in cider w operate the lateh 20, it

would -assumefihe positiomillustrebed in Eigright and privilege of-ehanging the form of ure 1-With"the result-that infifisidn wduldbe thedet ail's of' censtrtitioil or-"otherivise alprevented, due to the inability ofithewinswteiingwthe arrangement of the correlated' truder to manipulatethesgi shes P arts wit} gout,- departing from the spirit of It is evident, therefore; thatI'have pro vided a Window stop device which, whenzthep catch member is not in use, will remain open at all times and cannotbe closedbyanmiipm lation from the outside of the window to permit intrusions 1 It is also evident that I have mvi deda, stop: whi eh can be placed at a suitable position on *the upper stsh toi revent operation of thedower sash' to: permit intruder to en teit-he I'OOIllu lt is al'so evident that l'have'provided'a stop member haiviug'a latchingplate which is normally held latching position and one which cannot be manipulatedfifirom it remete peint withoutitheuseof two instruments,- one to clOse' the latching plztte and the other to tlirow'the latch-intoengaging position, thereby effectively preventing'any chzince of an i-nti' uderfrom operating "the stop to permit operation ofi thesashes. I I x WVhil'e' Phgzve illustrated and described my invention'wvith some dgl ee of' particularity;

i realize that I in piectiee various alterations therein may bezmade'i" rtherefere reserve the he invention or the scope of the appended claim-.-

Having thus described my invention what felaiili as tlew -imd d'esire to secure by United States Letters Patent is Th cembination with the upper sash of a winadw'; 5 of &1 base plate sec'ui'ed 'th'ei-eto; a latch plateha'vin a lower flanged extension hinged td'said 'base plate and arranged to overlie thelbvver sash t'olini'it the opening movement-thaws, at spring supported on the hinge and having freeend'syone ofwhieh is arranged to yieldgxbly maintainthe latch plat'e'open; an eyepun'ehed in the plate a-Htlin eheqatchfim ferthe reception of "the free ends 13f the'spr'ing" and a, (fetch pivetally seen-red adjacent-the upper edge of the base plate Mid having a-turzie'd over portion for engaging; the uppeved e of the latch plate whereby the same Can be retained in closed position to permit relative-movement of the sas esfl 1' Intestim'eny wheredi I eflix' my signature;

- BERH NNE; 8.3 i 

